package com.akino.gulimall.order.config;

import com.akino.gulimall.order.entity.OrderEntity;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Akino
 * @version 1.0
 */
@Configuration
public class MyMQConfig {
//    @RabbitListener(queues = "order.release.order.queue")
//    public void listener(OrderEntity entity){
//
//    }
    // 死信队列
    @Bean
    public Queue orderDelayQueue(){
        Map<String,Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        Queue queue = new Queue("order.delay.queue",
                true,
                false,
                false,
                arguments);
        return queue;
    }
    // 更新队列
    @Bean
    public Queue orderReleaseQueue(){
        Queue queue = new Queue("order.release.order.queue",
                true,
                false,
                false);
        return queue;
    }
    // 秒杀 - 削峰队列
    @Bean
    public Queue orderSeckillOrderQueue(){
        Queue queue = new Queue("order.seckill.order.queue",
                true,
                false,
                false);
        return queue;
    }
    @Bean
    public Exchange orderEventExchange(){
        TopicExchange topicExchange = new TopicExchange("order-event-exchange",
                true,
                false);
        return topicExchange;
    }
    @Bean
    public Binding orderCreateBinding(){
        Binding binding = new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
        return binding;
    }
    @Bean
    public Binding orderReleaseBinding(){
        Binding binding = new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
        return binding;
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * 订单释放之后，直接给交换机发消息让库存也释放
     */
    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }
    // 和秒杀队列绑定
    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
